Modifications reserved Page 31/66
OPM_LPS_3UO_80K_M10_1US_V010.doc User Manual LP33 Series 80 & 100 UL S1
Code Alarm Meaning
4571
OVERLOAD: LOAD ON UTILITY
With utility bypass supply available and load >115%, the
load is transferred on utility.
Load will be transferred again automatically on inverter
when load will be <100%.
4581
INVERTER AND UTILITY
NOT SYNCHRONIZED
The voltages of utility and inverter are not synchronized,
which causes the opening of K6.
4697
BATTERY OVERTEMPERATURE
The battery temperature exceeds the value inserted in
parameter.
Disabled with parameter (service only).
4698
BATTERY POWER INSUFFICIENT
In case of utility failure, with the actual load, the autonomy
time would result below “stop operation” time (default 3
minutes).
4700
DC LOW
Battery voltage is at the lowest limit.
Shutdown of inverter until the battery voltage reaches the
value in respective parameter.
4900
LOAD LOCKED ON INVERTER
The load is locked on Inverter following 3 load transfers
within 30 seconds.
After time out of the value in respective parameter (default
30 seconds), bypass will be free.
4955
OVERTEMPERATURE
An over temperature condition has been detected on
inverter.
Elapsed “stop operation” time, inverter shutdown.
With utility available, load is transferred on utility.
4998
LOAD OFF DUE TO
EXTENDED OVERLOAD
Load OFF after time-out of “stop operation” for overload on
inverter or bypass (time depending on the % of overload).
4999
LOAD OFF DUE
TO LOW BATT. OR TEMP.
Load OFF after time-out of “stop operation” with missing
utility due to battery low voltage or over temperature
condition.
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